﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" >
<head>
<title>Calculator</title>
<link rel="stylesheet" type="text/css" href="css/cal.css">
</head>

<body onload="addKey();">
	<div id="calculator">
		<div id="top">
			<span class="clear">C</span>
			<div class="screen"></div>
		</div>
		<div class="keys">
			<span>7</span>
			<span>8</span>
			<span>9</span>
			<span class="operator">+</span>
			<span>4</span>
			<span>5</span>
			<span>6</span>
			<span class="operator">-</span>
			<span>1</span>
			<span>2</span>
			<span>3</span>
			<span class="operator">x</span>
			<span>0</span>
			<span>.</span>
			<span class="eval">=</span>
			<span class="operator">÷</span>
			<span class="text">可以直接使用小键盘进行操作</span>
		</div>
	</div>
</body>
<script type="text/javascript" src='js/cal.js'></script>